§ 215.17 Intimidating a victim or witness in the first degree.

A person is guilty of intimidating a victim or witness in the first
degree when, other than in the course of that criminal transaction or
immediate flight therefrom, he:

1. Intentionally causes serious physical injury to another person for
the purpose of obstructing, delaying, preventing or impeding the
communication by such other person or another person of information
relating to a criminal transaction to any court, grand jury, prosecutor,
police officer or peace officer or for the purpose of compelling such
other person or another person to swear falsely; or

2. Intentionally causes serious physical injury to another person on
account of such other person or another person having communicated
information relating to a criminal transaction to any court, grand jury,
prosecutor, police officer or peace officer.

Intimidating a victim or witness in the first degree is a class B
felony.